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Finding the Fourth Proportional to 19,819.35, 29,735.34 and 7,341.14

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Solution

The fourth proportional to 19,819.35, 29,735.34 and 7,341.14 is: 11,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.35 : 29,735.34 = 7,341.14 : x
  2. Step 2: Convert to fraction form
    19,819.35/29,735.34 = 7,341.14/x
  3. Step 3: Cross multiply
    19,819.35x = 29,735.34 × 7,341.14
  4. Step 4: Simplify right side
    19,819.35x = 218,291,413.48
  5. Step 5: Solve for x
    x = 218,291,413.48/19,819.35
  6. Step 6: Final answer
    x = 11,014.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.